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kernel/linux-rt-4.4.41/drivers/gpu/drm/nouveau/nouveau_chan.h 930 Bytes
5113f6f70   김현기   kernel add
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  #ifndef __NOUVEAU_CHAN_H__
  #define __NOUVEAU_CHAN_H__
  
  #include <nvif/object.h>
  struct nvif_device;
  
  struct nouveau_channel {
  	struct nvif_device *device;
  	struct nouveau_drm *drm;
  
  	int chid;
  
  	struct nvif_object vram;
  	struct nvif_object gart;
  	struct nvif_object nvsw;
  
  	struct {
  		struct nouveau_bo *buffer;
  		struct nvkm_vma vma;
  		struct nvif_object ctxdma;
  	} push;
  
  	/* TODO: this will be reworked in the near future */
  	bool accel_done;
  	void *fence;
  	struct {
  		int max;
  		int free;
  		int cur;
  		int put;
  		int ib_base;
  		int ib_max;
  		int ib_free;
  		int ib_put;
  	} dma;
  	u32 user_get_hi;
  	u32 user_get;
  	u32 user_put;
  
  	struct nvif_object user;
  };
  
  
  int  nouveau_channel_new(struct nouveau_drm *, struct nvif_device *,
  			 u32 arg0, u32 arg1, struct nouveau_channel **);
  void nouveau_channel_del(struct nouveau_channel **);
  int  nouveau_channel_idle(struct nouveau_channel *);
  
  extern int nouveau_vram_pushbuf;
  
  #endif